After Creating Two Variables as Follows

Multiple Choice

After creating two variables as follows:
Char message1[81] = "this is a string";
Char *message2 = "this is a string";
The statement ____ is not valid in C.

A) message1 = "A new message";
B) message2 = "A new message";
C) message2 = message1;
D) message2[0] = 'T';